You do realise that most of you come across like particularly annoying toddlers throwing a tantrum because they let go of the balloon and it went away?
The scientific evidence for the efficacy of wearing masks is conclusive – simple cloth masks help stop the spread of droplets released when coughing (a common Covid-19 symptom), sneezing (Covid-19 hasn’t stopped hay-fever), or even breathing.
No, they’re not as effective as N95 masks, neither are they capable of stopping a virus running around on its own. But they don’t commonly do that. Viruses are commonly clumped into ‘water’ droplets and even the most basic cloth mask will stop most of those getting through – and it doesn’t have to be 100% effective (or ‘certified’) to be a good defense against the virus.
Masks are probably most effective at stopping the already infected from releasing huge clouds of Covid-19 infested water droplets wherever they go.
And even if you don’t believe in the masks, going to a place (a shop, public transport, etc.) where masks are required and refusing to wear a mask is the sign of a self-important little idiot. Either wear the mask or don’t use the relevant services.